Mazda thermionic valve
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Science Museum Group
© The Board of Trustees of the Science Musuem
Mazda thermionic valve
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Mazda thermionic valve, type 20P4
Details
- Category:
- Electronic Components
- Object Number:
- Y1996.10.1285
- Measurements:
-
104 mm 32 mm,
- type:
- thermionic valve
